ZipCheckup grade for 77373: A.
Checked records flag no major concern; missing data is unknown.
Spring, TX (77373): PFAS Detected in Mapped Water Systems - 85/100
EPA data combined for 13 water systems mapped to this ZIP (largest mapped system: Harris County Municipal Utility District 82)
EPA records for the water systems mapped to 77373 in Spring, TX contain 20 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 20 violations (non-health) (since 2021).
- Lead The reported 90th-percentile lead result of 0.0032 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 1,122 cumulative NFIP claim records. This historical count is not a current property-risk verdict.
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The compiled record for Spring (77373) yields 1 high-priority finding; critical-level alerts are absent from the same data.
Score Breakdown
Overall Home Safety Score: 85/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) HIGH
Your Water System
ZIP code 77373 in Spring, Texas is mapped to the water system Harris County Municipal Utility District 82 (EPA ID: TX1010630). This system provides water to approximately 18,990 people from groundwater sources.
There are 13 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Harris County Municipal Utility District 82 | TX1010630 | 18,990 | Groundwater |
| Timber Lane Utility District | TX1010278 | 24,507 | Groundwater |
| Harris County Municipal Utility District 43 | TX1010565 | 5,940 | Groundwater |
| Harris County Wcid 92 | TX1010124 | 4,752 | Groundwater |
| Tattor Road Municipal Utility District | TX1010625 | 5,400 | Groundwater |
Other Water Quality Reports in Texas
- 73301 (Austin)
- 73344 (Austin)
- 73960 (Texhoma)
- 75001 (Addison) - 2 violations recorded for mapped water systems
- 75002 (Allen) - 14 violations recorded for mapped water systems
- 75006 (Carrollton) - 2 violations recorded for mapped water systems
- 75007 (Carrollton) - 1 violation recorded for mapped water systems
- 75009 (Celina) - 18 violations recorded for mapped water systems
- 75010 (Carrollton) - 1 violation recorded for mapped water systems
- 75011 (Carrollton)
- 75013 (Allen)
- 75014 (Irving)
- 75015 (Irving)
- 75016 (Irving)
- 75017 (Irving)
- 75019 (Coppell) - 5 violations recorded for mapped water systems
- 75020 (Denison) - 38 violations recorded for mapped water systems
- 75021 (Denison) - 30 violations recorded for mapped water systems
- 75022 (Flower Mound) - 18 violations recorded for mapped water systems
- 75023 (Plano)
Nearby Water Quality Reports
- 77073 (Houston) - 3 mi - 28 violations recorded for mapped water systems
- 77383 (Spring) - 3 mi
- 77391 (Spring) - 3 mi
- 77090 (Houston) - 5 mi - 374 violations recorded for mapped water systems
- 77387 (Spring) - 5 mi
- 77388 (Spring) - 6 mi - 11 violations recorded for mapped water systems
- 77386 (Spring) - 6 mi - 11 violations recorded for mapped water systems
- 77338 (Humble) - 7 mi - 9 violations recorded for mapped water systems
- 77345 (Kingwood) - 7 mi - 2 violations recorded for mapped water systems
- 77014 (Houston) - 7 mi - 21 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Harris County Municipal Utility District 82 (TX1010630) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 77373.
Detected compounds: PFBA.
Highest measured level: 0.008 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (11) HIGH
Home & Infrastructure (6) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Spring
Based on local data for ZIP 77373, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Spring has 1,122 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Roofing Inspection & Repair
Active weather alerts in Texas increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 77373 safe to drink?
EPA SDWIS records 20 violations since 2021 across the water systems mapped to ZIP 77373 (primary system: Harris County Municipal Utility District 82), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 77373's water come from?
The recorded water source for Harris County Municipal Utility District 82, a system mapped to ZIP code 77373, is Groundwater. This system serves approximately 18,990 people.
How does Spring water compare to the national average?
Spring's Home Safety Score ranks better than 79% of U.S. ZIP codes, and at or above 55% within Texas.
How can I get my water tested in Spring?
If Harris County Municipal Utility District 82 supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 77373 tap water?
The Lead and Copper Rule record selected for 77373 reports a 90th-percentile lead result of 0.00325 mg/L for a water system mapped to this ZIP (record date 2024-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 77373?
77373 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Harris County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 77373's water?
Yes, PFAS have been detected in samples from water systems mapped to 77373. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 77373?
FEMA records contain 1122 flood insurance claims filed in ZIP code 77373; the recorded rated-zone value (the most frequent one if there are several claims) is X, which is claims evidence and may differ from the current FEMA map zone for a property. This is a substantial claim history, but claim count is not a count of distinct events or properties. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Spring, TX (77373): PFAS Detected in Mapped Water Systems - 85/100. https://zipcheckup.com/report/77373/
@misc{zipcheckup-report-77373,
author = {{ZipCheckup}},
title = {{Spring, TX (77373): PFAS Detected in Mapped Water Systems - 85/100}},
year = {2026},
url = {https://zipcheckup.com/report/77373/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 77373
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 77073 | Houston, TX | 3.0 mi | A | 28 |
| 77383 | Spring, TX | 3.0 mi | N/A | 0 |
| 77391 | Spring, TX | 3.0 mi | N/A | 0 |
| 77090 | Houston, TX | 4.9 mi | B | 374 |
| 77387 | Spring, TX | 5.4 mi | N/A | 0 |
| 77388 | Spring, TX | 5.5 mi | B | 11 |
| 77386 | Spring, TX | 5.9 mi | A | 11 |
| 77338 | Humble, TX | 6.6 mi | A | 9 |
| 77345 | Kingwood, TX | 7.1 mi | A | 2 |
| 77014 | Houston, TX | 7.2 mi | A | 21 |
Nearby ZIP Code Reports
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ZIP 77373 scores in the top tier nationally.